Seiko Cal. 3876 - 907

Released in 1985, the Cal. 3876 with design code 907 was part of Seiko's domestic market collection. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-1cac528cc264]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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